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kmsdrm: Do NOT modify window size manually from the backend: doing so caused renderer scaling params miscalculation.

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This commit is contained in:
Manuel Alfayate Corchete 2020-08-31 19:17:17 +02:00
parent c09d1cee95
commit f4e02a5c1b
3 changed files with 32 additions and 16 deletions
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8
src/video/kmsdrm/SDL_kmsdrmopengles.c
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@ -143,8 +143,8 @@ KMSDRM_GLES_SwapWindow(_THIS, SDL_Window * window)
info.crtc_id = dispdata->crtc->crtc->crtc_id; info.crtc_id = dispdata->crtc->crtc->crtc_id;
info.fb_id = fb->fb_id; info.fb_id = fb->fb_id;
info.src_w = window->w; info.src_w = windata->src_w;
info.src_h = window->h; info.src_h = windata->src_h;
info.crtc_w = windata->output_w; info.crtc_w = windata->output_w;
info.crtc_h = windata->output_h; info.crtc_h = windata->output_h;
info.crtc_x = windata->output_x; info.crtc_x = windata->output_x;
@ -240,8 +240,8 @@ KMSDRM_GLES_SwapWindowDB(_THIS, SDL_Window * window)
info.crtc_id = dispdata->crtc->crtc->crtc_id; info.crtc_id = dispdata->crtc->crtc->crtc_id;
info.fb_id = fb->fb_id; info.fb_id = fb->fb_id;
info.src_w = window->w; info.src_w = windata->src_w;
info.src_h = window->h; info.src_h = windata->src_h;
info.crtc_w = windata->output_w; info.crtc_w = windata->output_w;
info.crtc_h = windata->output_h; info.crtc_h = windata->output_h;
info.crtc_x = windata->output_x; info.crtc_x = windata->output_x;

34
src/video/kmsdrm/SDL_kmsdrmvideo.c
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@ -815,15 +815,26 @@ KMSDRM_CreateSurfaces(_THIS, SDL_Window * window)
{ {
SDL_VideoData *viddata = ((SDL_VideoData *)_this->driverdata); SDL_VideoData *viddata = ((SDL_VideoData *)_this->driverdata);
SDL_WindowData *windata = (SDL_WindowData *)window->driverdata; SDL_WindowData *windata = (SDL_WindowData *)window->driverdata;
Uint32 width = window->w; SDL_DisplayData *dispdata = (SDL_DisplayData *) SDL_GetDisplayForWindow(window)->driverdata;
Uint32 height = window->h; uint32_t surface_fmt = GBM_FORMAT_ARGB8888;
Uint32 surface_fmt = GBM_FORMAT_ARGB8888; uint32_t surface_flags = GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING;
Uint32 surface_flags = GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING; uint32_t width, height;
#if SDL_VIDEO_OPENGL_EGL #if SDL_VIDEO_OPENGL_EGL
EGLContext egl_context; EGLContext egl_context;
SDL_EGL_SetRequiredVisualId(_this, surface_fmt); SDL_EGL_SetRequiredVisualId(_this, surface_fmt);
egl_context = (EGLContext)SDL_GL_GetCurrentContext(); egl_context = (EGLContext)SDL_GL_GetCurrentContext();
#endif #endif
if (window->flags & SDL_WINDOW_FULLSCREEN) {
width = dispdata->mode.hdisplay;
height = dispdata->mode.vdisplay;
}
else {
width = window->w;
height = window->h;
}
if (!KMSDRM_gbm_device_is_format_supported(viddata->gbm_dev, surface_fmt, surface_flags)) { if (!KMSDRM_gbm_device_is_format_supported(viddata->gbm_dev, surface_fmt, surface_flags)) {
SDL_LogWarn(SDL_LOG_CATEGORY_VIDEO, "GBM surface format not supported. Trying anyway."); SDL_LogWarn(SDL_LOG_CATEGORY_VIDEO, "GBM surface format not supported. Trying anyway.");
} }
@ -862,15 +873,16 @@ KMSDRM_ReconfigureWindow( _THIS, SDL_Window * window) {
KMSDRM_SetPendingSurfacesDestruction(_this, window); KMSDRM_SetPendingSurfacesDestruction(_this, window);
if (window->flags & SDL_WINDOW_FULLSCREEN) { if (window->flags & SDL_WINDOW_FULLSCREEN) {
/* Windows only have one possible size in fullscreen mode. */ windata->src_w = dispdata->mode.hdisplay;
window->w = dispdata->mode.hdisplay; windata->src_h = dispdata->mode.vdisplay;
window->h = dispdata->mode.vdisplay;
windata->output_w = dispdata->mode.hdisplay; windata->output_w = dispdata->mode.hdisplay;
windata->output_h = dispdata->mode.vdisplay; windata->output_h = dispdata->mode.vdisplay;
windata->output_x = 0; windata->output_x = 0;
} else { } else {
/* Get output (CRTC) size and position, for AR correction. */ /* Get output (CRTC) size and position, for AR correction. */
ratio = (float)window->w / (float)window->h; ratio = (float)window->w / (float)window->h;
windata->src_w = window->w;
windata->src_h = window->h;
windata->output_w = dispdata->mode.vdisplay * ratio; windata->output_w = dispdata->mode.vdisplay * ratio;
windata->output_h = dispdata->mode.vdisplay; windata->output_h = dispdata->mode.vdisplay;
windata->output_x = (dispdata->mode.hdisplay - windata->output_w) / 2; windata->output_x = (dispdata->mode.hdisplay - windata->output_w) / 2;
@ -1339,15 +1351,16 @@ KMSDRM_CreateWindow(_THIS, SDL_Window * window)
dispdata = display->driverdata; dispdata = display->driverdata;
if (window->flags & SDL_WINDOW_FULLSCREEN) { if (window->flags & SDL_WINDOW_FULLSCREEN) {
/* Windows only have one possible size in fullscreen mode. */ windata->src_w = dispdata->mode.hdisplay;
window->w = dispdata->mode.hdisplay; windata->src_h = dispdata->mode.vdisplay;
window->h = dispdata->mode.vdisplay;
windata->output_w = dispdata->mode.hdisplay; windata->output_w = dispdata->mode.hdisplay;
windata->output_h = dispdata->mode.vdisplay; windata->output_h = dispdata->mode.vdisplay;
windata->output_x = 0; windata->output_x = 0;
} else { } else {
/* Get output (CRTC) size and position, for AR correction. */ /* Get output (CRTC) size and position, for AR correction. */
ratio = (float)window->w / (float)window->h; ratio = (float)window->w / (float)window->h;
windata->src_w = window->w;
windata->src_h = window->h;
windata->output_w = dispdata->mode.vdisplay * ratio; windata->output_w = dispdata->mode.vdisplay * ratio;
windata->output_h = dispdata->mode.vdisplay; windata->output_h = dispdata->mode.vdisplay;
windata->output_x = (dispdata->mode.hdisplay - windata->output_w) / 2; windata->output_x = (dispdata->mode.hdisplay - windata->output_w) / 2;
@ -1455,6 +1468,7 @@ KMSDRM_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * displa
{ {
KMSDRM_ReconfigureWindow(_this, window); KMSDRM_ReconfigureWindow(_this, window);
} }
void void
KMSDRM_ShowWindow(_THIS, SDL_Window * window) KMSDRM_ShowWindow(_THIS, SDL_Window * window)
{ {

2
src/video/kmsdrm/SDL_kmsdrmvideo.h
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@ -127,6 +127,8 @@ typedef struct SDL_WindowData
#endif #endif
/* For scaling and AR correction. */ /* For scaling and AR correction. */
int32_t src_w;
int32_t src_h;
int32_t output_w; int32_t output_w;
int32_t output_h; int32_t output_h;
int32_t output_x; int32_t output_x;